Examples with ApproximateHistogramDruidModule io.druid.query.aggregation.histogram.ApproximateHistogramDruidModule used on opensource projects

Example 1 with ApproximateHistogramDruidModule

use of io.druid.query.aggregation.histogram.ApproximateHistogramDruidModule in project druid by druid-io.

the class QuantileSqlAggregatorTest method setUp.

@Before
public void setUp() throws Exception {
    Calcites.setSystemProperties();
    // Note: this is needed in order to properly register the serde for Histogram.
    new ApproximateHistogramDruidModule().configure(null);
    final QueryableIndex index = IndexBuilder.create().tmpDir(temporaryFolder.newFolder()).indexMerger(TestHelper.getTestIndexMergerV9()).schema(new IncrementalIndexSchema.Builder().withMetrics(new AggregatorFactory[] { new CountAggregatorFactory("cnt"), new DoubleSumAggregatorFactory("m1", "m1"), new ApproximateHistogramAggregatorFactory("hist_m1", "m1", null, null, null, null) }).withRollup(false).build()).rows(CalciteTests.ROWS1).buildMMappedIndex();
    walker = new SpecificSegmentsQuerySegmentWalker(CalciteTests.queryRunnerFactoryConglomerate()).add(DataSegment.builder().dataSource(DATA_SOURCE).interval(index.getDataInterval()).version("1").shardSpec(new LinearShardSpec(0)).build(), index);
    final PlannerConfig plannerConfig = new PlannerConfig();
    final SchemaPlus rootSchema = Calcites.createRootSchema(CalciteTests.createMockSchema(walker, plannerConfig));
    final DruidOperatorTable operatorTable = new DruidOperatorTable(ImmutableSet.<SqlAggregator>of(new QuantileSqlAggregator()), ImmutableSet.<SqlExtractionOperator>of());
    plannerFactory = new PlannerFactory(rootSchema, walker, operatorTable, plannerConfig);
}